======================== unified (from filesystem) ========================
                                         'bitrate'  '263.676'
                                        'duration'  '220'
                                          'artist'  'Absence'
                                     'text_people'  ''
                                         'release'  'The Decomposition Process'
                                           'title'  'For The End Is Yet To Come'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'metalcore', 'hardcore', 'melodic death metal', 'death metal']"
                                     'discogstags'  "['melodic death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '115'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'The Decomposition Process'
'TBPM' (BPM (beats per minute))                     '115'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'LAME'
'TIT2' (Title/songname/content description)         'For The End Is Yet To Come'
'TKEY' (Initial key)                                '11A'
'TLAN' (Language(s))                                'German'
'TPE1' (Lead performer(s)/Soloist(s))               'Absence'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['melodic death metal', 'rock']
'TXXX:lastfmtags'                                   ['german', 'metalcore', 'hardcore', 'melodic death metal', 'death metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.74 dB'
'TXXX:replaygain_track_peak'                        '0.377123'

========================== row from database ==========================
                                              'id'  1390998
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Absence/The Decomposition Process/02-absence--for_the_end_is_yet_to_come.mp3
                                         'working'  None
                                         'bitrate'  263
                                    'duration_sec'  220
                                           'genre'  eid-metal-death
                                        'filesize'  7285250
                                           'mtime'  1620301826
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 02 absence for_the_end_is_yet_to_come eid metal death
                                      'tag_artist'  Absence
                                     'tag_release'  The Decomposition Process
                                       'tag_title'  For The End Is Yet To Come
                                             'bpm'  115.0
                                    'search_title'  'come':7 'end':3 'for':1 'is':4 'the':2 'to':6 'yet':5
                                   'search_artist'  'absence':1
                                  'search_release'  'decomposition':2 'process':3 'the':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'absence':3 'come':10 'death':13 'eid':11 'end':6 'for':4 'is':7 'metal':12 'the':5 'to':9 'yet':8
                                    'search_combo'  '00dwimp':12 '00metal':13 'absence':8B,14 'come':7A,21 'death':24 'decomposition':10C 'eid':22 'end':3A,17 'for':1A,15 'is':4A,18 'metal':23 'process':11C 'the':2A,9C,16 'to':6A,20 'yet':5A,19
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['german', 'metalcore', 'hardcore', 'melodic death metal', 'death metal']
                                        'tag_date'  2006
                                     'discogstags'  ['melodic death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301825.818334  (2021-05-06 13:50:25)
                             'size'  7285250